Question

Assertion : Sodium bicarbonate generally precipitates normal carbonate from magnesium chloride solution.
Reason : Sodium carbonate generally precipitates basic carbonate from magnesium chloride solution.
A. If both assertion and reason are true and the reason is the correct explanation of the assertion.
B. If both assertion and reason are true but reason is not the correct explanation of the assertion
C. If assertion is true but reason is false.
D. If assertion is false but reason is true.

Answer 1

Correct Answer - b
Assertion `: MgCl_(2) + Na_(2)HCO_(3) rarr MgCO_(3)+2NaCl+CO_(2)+H_(2)O`
Reason `: MgCl_(2)+2Na_(2)CO_(3)+H_(2)O rarr MgCO_(2)Mg(OH)_(2)+4NaCl+CO_(2)`